Home / 30,970,043.31-42,739,783.41-17,741,776.80

Finding the Fourth Proportional to 30,970,043.31, 42,739,783.41 and 17,741,776.80

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Solution

The fourth proportional to 30,970,043.31, 42,739,783.41 and 17,741,776.80 is: 24,484,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,043.31 : 42,739,783.41 = 17,741,776.80 : x
  2. Step 2: Convert to fraction form
    30,970,043.31/42,739,783.41 = 17,741,776.80/x
  3. Step 3: Cross multiply
    30,970,043.31x = 42,739,783.41 × 17,741,776.80
  4. Step 4: Simplify right side
    30,970,043.31x = 758,279,697,740,562.88
  5. Step 5: Solve for x
    x = 758,279,697,740,562.88/30,970,043.31
  6. Step 6: Final answer
    x = 24,484,295.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.